lf::mesh::utils::MeshDataSet< T > Class Template Reference

Interface that specifies how data is stored with an entity. More...

#include <lf/mesh/utils/mesh_data_set.h>

Inheritance diagram for lf::mesh::utils::MeshDataSet< T >:

Public Member Functions
virtual const T &	operator() (const Entity &e) const =0
	Get the data stored with entity e.
virtual bool	DefinedOn (const Entity &e) const =0
	Does the dataset store information with this entity?
virtual	~MeshDataSet ()=default
	Virtual destructor.

Protected Member Functions
	MeshDataSet ()=default
	MeshDataSet (const MeshDataSet &)=default
	MeshDataSet (MeshDataSet &&) noexcept=default
MeshDataSet &	operator= (const MeshDataSet &)=default
MeshDataSet &	operator= (MeshDataSet &&) noexcept=default

Detailed Description

template<class T>
class lf::mesh::utils::MeshDataSet< T >

Interface that specifies how data is stored with an entity.

Template Parameters

T	The type of data that is stored with the entity.

A MeshDataSet is a interface that attaches data of type T with entities of a mesh. Typical types of data that could be stored in a MeshDataSet:

• Flags that mark boundary entities.
• Material parameters for mesh elements (codim=0)

Attention

A MeshDataSet may store information only with a subset of entities. See DefinedOn() .

Note

By convention, MeshDataSets are always stored in std::shared_ptr's in order to facilitate memory management. Thus most implementations of this interface don't have public constructors but they provide make_xxx functions for this purpose.

Implementations

There are a number of classes that implement the MeshDataSet interface that differ mostly by the subset of entities to which they can attach data:

• CodimMeshDataSet attaches data to all entities of a given codimension and is undefined on other entities.
• AllCodimMeshDataSet attaches data to all entities of a mesh (all codimensions)

Definition at line 36 of file mesh_data_set.h.

Constructor & Destructor Documentation

MeshDataSet() [1/3]

template<class T >

lf::mesh::utils::MeshDataSet< T >::MeshDataSet ( )

protecteddefault

MeshDataSet() [2/3]

template<class T >

lf::mesh::utils::MeshDataSet< T >::MeshDataSet ( const MeshDataSet< T > & )

protecteddefault

MeshDataSet() [3/3]

template<class T >

lf::mesh::utils::MeshDataSet< T >::MeshDataSet ( MeshDataSet< T > && )

protecteddefaultnoexcept

~MeshDataSet()

template<class T >

virtual lf::mesh::utils::MeshDataSet< T >::~MeshDataSet ( )

virtualdefault

Virtual destructor.

Member Function Documentation

DefinedOn()

template<class T >

virtual bool lf::mesh::utils::MeshDataSet< T >::DefinedOn ( const Entity & e ) const

pure virtual

Does the dataset store information with this entity?

Parameters

e	The entity that should be tested.

Returns

true if this dataset associates information with this entity. Otherwise false.

Implemented in lf::mesh::utils::AllCodimMeshDataSet< T >, lf::mesh::utils::AllCodimMeshDataSet< std::variant< std::monostate, lf::fe::FePoint< SCALAR >, lf::fe::FeHierarchicSegment< SCALAR >, lf::fe::FeHierarchicTria< SCALAR >, lf::fe::FeHierarchicQuad< SCALAR > > >, and lf::mesh::utils::CodimMeshDataSet< T >.

Referenced by lf::io::VtkWriter::WriteScalarCellData(), and lf::io::VtkWriter::WriteScalarPointData().

operator()()

template<class T >

virtual const T & lf::mesh::utils::MeshDataSet< T >::operator() ( const Entity & e ) const

pure virtual

Get the data stored with entity e.

Parameters

e	The entity whose data should be retrieved.

Returns

The data stored for this entity.

Note

The behavior of this method is undefined if DefinedOn(e) == false!

Implemented in lf::mesh::utils::AllCodimMeshDataSet< T >, lf::mesh::utils::AllCodimMeshDataSet< std::variant< std::monostate, lf::fe::FePoint< SCALAR >, lf::fe::FeHierarchicSegment< SCALAR >, lf::fe::FeHierarchicTria< SCALAR >, lf::fe::FeHierarchicQuad< SCALAR > > >, and lf::mesh::utils::CodimMeshDataSet< T >.

operator=() [1/2]

template<class T >

MeshDataSet & lf::mesh::utils::MeshDataSet< T >::operator= ( const MeshDataSet< T > & )

protecteddefault

operator=() [2/2]

template<class T >

MeshDataSet & lf::mesh::utils::MeshDataSet< T >::operator= ( MeshDataSet< T > && )

protecteddefaultnoexcept

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The documentation for this class was generated from the following file:

• /__w/lehrfempp/lehrfempp/lib/lf/mesh/utils/mesh_data_set.h